If the Standard Enthalpy of Combustion of Octane

question 103

Short Answer

If the standard enthalpy of combustion of octane,
C₈H₁₈(l),at 298 K is -5471 kJ.mol^-1 calculate the standard enthalpy of formation of octane.The standard enthalpies of formation of carbon dioxide and liquid water are -393.51 and -285.83 kJ.mol^-1 ,respectively.

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